openEuler 20.03 LTS SP1 update for kernel

Published: 2023-03-17

Risk	Low
Patch available	YES
Number of vulnerabilities	7
CVE-ID	CVE-2023-20938 CVE-2023-0461 CVE-2023-1074 CVE-2023-1078 CVE-2023-1076 CVE-2023-1118 CVE-2023-26545
CWE-ID	CWE-119 CWE-416 CWE-401 CWE-787 CWE-843 CWE-415
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	openEuler Operating systems & Components / Operating system python2-perf-debuginfo Operating systems & Components / Operating system package or component bpftool Operating systems & Components / Operating system package or component python2-perf Operating systems & Components / Operating system package or component python3-perf-debuginfo Operating systems & Components / Operating system package or component perf-debuginfo Operating systems & Components / Operating system package or component bpftool-debuginfo Operating systems & Components / Operating system package or component kernel-tools Operating systems & Components / Operating system package or component kernel-devel Operating systems & Components / Operating system package or component kernel-tools-devel Operating systems & Components / Operating system package or component kernel-source Operating systems & Components / Operating system package or component kernel-tools-debuginfo Operating systems & Components / Operating system package or component kernel-debuginfo Operating systems & Components / Operating system package or component kernel-debugsource Operating systems & Components / Operating system package or component perf Operating systems & Components / Operating system package or component python3-perf Operating systems & Components / Operating system package or component kernel Operating systems & Components / Operating system package or component
Vendor	openEuler

Security Bulletin

This security bulletin contains information about 7 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU72032

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20938

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the Binder component in kernel. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

python2-perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool: before 4.19.90-2303.3.0.0192

python2-perf: before 4.19.90-2303.3.0.0192

python3-perf-debuginfo: before 4.19.90-2303.3.0.0192

perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool-debuginfo: before 4.19.90-2303.3.0.0192

kernel-tools: before 4.19.90-2303.3.0.0192

kernel-devel: before 4.19.90-2303.3.0.0192

kernel-tools-devel: before 4.19.90-2303.3.0.0192

kernel-source: before 4.19.90-2303.3.0.0192

kernel-tools-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debugsource: before 4.19.90-2303.3.0.0192

perf: before 4.19.90-2303.3.0.0192

python3-perf: before 4.19.90-2303.3.0.0192

kernel: before 4.19.90-2303.3.0.0192

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1173

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU72506

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-0461

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the Upper Level Protocol (ULP) subsystem in Linux kernel caused by improper handling of sockets entering the LISTEN state in certain protocols. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

python2-perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool: before 4.19.90-2303.3.0.0192

python2-perf: before 4.19.90-2303.3.0.0192

python3-perf-debuginfo: before 4.19.90-2303.3.0.0192

perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool-debuginfo: before 4.19.90-2303.3.0.0192

kernel-tools: before 4.19.90-2303.3.0.0192

kernel-devel: before 4.19.90-2303.3.0.0192

kernel-tools-devel: before 4.19.90-2303.3.0.0192

kernel-source: before 4.19.90-2303.3.0.0192

kernel-tools-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debugsource: before 4.19.90-2303.3.0.0192

perf: before 4.19.90-2303.3.0.0192

python3-perf: before 4.19.90-2303.3.0.0192

kernel: before 4.19.90-2303.3.0.0192

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1173

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Memory leak

EUVDB-ID: #VU74124

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1074

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a local user to perform DoS attack on the target system.

The vulnerability exists due memory leak in Linux kernel Stream Control Transmission Protocol. A local user can start a malicious network service and then connect to remotely, forcing the kernel to leak memory.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

python2-perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool: before 4.19.90-2303.3.0.0192

python2-perf: before 4.19.90-2303.3.0.0192

python3-perf-debuginfo: before 4.19.90-2303.3.0.0192

perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool-debuginfo: before 4.19.90-2303.3.0.0192

kernel-tools: before 4.19.90-2303.3.0.0192

kernel-devel: before 4.19.90-2303.3.0.0192

kernel-tools-devel: before 4.19.90-2303.3.0.0192

kernel-source: before 4.19.90-2303.3.0.0192

kernel-tools-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debugsource: before 4.19.90-2303.3.0.0192

perf: before 4.19.90-2303.3.0.0192

python3-perf: before 4.19.90-2303.3.0.0192

kernel: before 4.19.90-2303.3.0.0192

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1173

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Out-of-bounds write

EUVDB-ID: #VU74054

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1078

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the rds_rm_zerocopy_callback() function in Linux kernel RDS (Reliable Datagram Sockets) protocol. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

python2-perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool: before 4.19.90-2303.3.0.0192

python2-perf: before 4.19.90-2303.3.0.0192

python3-perf-debuginfo: before 4.19.90-2303.3.0.0192

perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool-debuginfo: before 4.19.90-2303.3.0.0192

kernel-tools: before 4.19.90-2303.3.0.0192

kernel-devel: before 4.19.90-2303.3.0.0192

kernel-tools-devel: before 4.19.90-2303.3.0.0192

kernel-source: before 4.19.90-2303.3.0.0192

kernel-tools-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debugsource: before 4.19.90-2303.3.0.0192

perf: before 4.19.90-2303.3.0.0192

python3-perf: before 4.19.90-2303.3.0.0192

kernel: before 4.19.90-2303.3.0.0192

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1173

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Type Confusion

EUVDB-ID: #VU72742

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1076

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a type confusion error during initialization of TUN/TAP sockets. A local user can trigger a type confusion error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

python2-perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool: before 4.19.90-2303.3.0.0192

python2-perf: before 4.19.90-2303.3.0.0192

python3-perf-debuginfo: before 4.19.90-2303.3.0.0192

perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool-debuginfo: before 4.19.90-2303.3.0.0192

kernel-tools: before 4.19.90-2303.3.0.0192

kernel-devel: before 4.19.90-2303.3.0.0192

kernel-tools-devel: before 4.19.90-2303.3.0.0192

kernel-source: before 4.19.90-2303.3.0.0192

kernel-tools-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debugsource: before 4.19.90-2303.3.0.0192

perf: before 4.19.90-2303.3.0.0192

python3-perf: before 4.19.90-2303.3.0.0192

kernel: before 4.19.90-2303.3.0.0192

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1173

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Use-after-free

EUVDB-ID: #VU72734

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1118

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the Linux kernel integrated infrared receiver/transceiver driver "drivers/media/rc/ene_ir.c" when detaching rc device. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

python2-perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool: before 4.19.90-2303.3.0.0192

python2-perf: before 4.19.90-2303.3.0.0192

python3-perf-debuginfo: before 4.19.90-2303.3.0.0192

perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool-debuginfo: before 4.19.90-2303.3.0.0192

kernel-tools: before 4.19.90-2303.3.0.0192

kernel-devel: before 4.19.90-2303.3.0.0192

kernel-tools-devel: before 4.19.90-2303.3.0.0192

kernel-source: before 4.19.90-2303.3.0.0192

kernel-tools-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debugsource: before 4.19.90-2303.3.0.0192

perf: before 4.19.90-2303.3.0.0192

python3-perf: before 4.19.90-2303.3.0.0192

kernel: before 4.19.90-2303.3.0.0192

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1173

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Double Free

EUVDB-ID: #VU73766

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-26545

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a double free in net/mpls/af_mpls.c during the renaming of a device. A local user can trigger a double free error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

python2-perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool: before 4.19.90-2303.3.0.0192

python2-perf: before 4.19.90-2303.3.0.0192

python3-perf-debuginfo: before 4.19.90-2303.3.0.0192

perf-debuginfo: before 4.19.90-2303.3.0.0192

bpftool-debuginfo: before 4.19.90-2303.3.0.0192

kernel-tools: before 4.19.90-2303.3.0.0192

kernel-devel: before 4.19.90-2303.3.0.0192

kernel-tools-devel: before 4.19.90-2303.3.0.0192

kernel-source: before 4.19.90-2303.3.0.0192

kernel-tools-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debuginfo: before 4.19.90-2303.3.0.0192

kernel-debugsource: before 4.19.90-2303.3.0.0192

perf: before 4.19.90-2303.3.0.0192

python3-perf: before 4.19.90-2303.3.0.0192

kernel: before 4.19.90-2303.3.0.0192

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1173

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.